Always remove .depend.* regardless of WITH_FAST_DEPEND in case of changing

which is used.

Sponsored by:	 EMC / Isilon Storage Division

share/mk/bsd.dep.mk

@@ -59,7 +59,7 @@ DEPENDFILE?=	.depend
 .if ${MK_DIRDEPS_BUILD} == "no"
 .MAKE.DEPENDFILE= ${DEPENDFILE}
 .endif
-DEPENDFILES=	${DEPENDFILE}
+DEPENDFILES=	${DEPENDFILE} ${DEPENDFILE}.*
 
 # Keep `tags' here, before SRCS are mangled below for `depend'.
 .if !target(tags) && defined(SRCS) && !defined(NO_TAGS)
@@ -156,7 +156,6 @@ ${_D}.po: ${_DSRC} ${POBJS:S/^${_D}.po$//}
 
 .if ${MK_FAST_DEPEND} == "yes" && \
     (${.MAKE.MODE:Mmeta} == "" || ${.MAKE.MODE:Mnofilemon} != "")
-DEPENDFILES+=	${DEPENDFILE}.*
 DEPEND_MP?=	-MP
 # Handle OBJS=../somefile.o hacks.  Just replace '/' rather than use :T to
 # avoid collisions.